#include "STC8H.H"
void Delay500ms(void)	//@11.0592MHz
{
	unsigned char data i, j, k;

	i = 22;
	j = 3;
	k = 227;
	do
	{
		do
		{
			while (--k);
		} while (--j);
	} while (--i);
}

int main() {
    P5M0 = 0x00;
    P5M1 = 0x00;
	

    while(1) {
			P53 = 1;
			Delay500ms();
			
			P53 = 0;
			Delay500ms();
		
		}
}